These 3 postcards came from different sources over the years. They are the same model with the same harp in 3 different poses and I'm guessing taken the same day.

From left to right:

With Riga machine cancel 31.VIII.1909 and a Nowo Swienzany/Svencioneliai, Lithuania receiving cancel

With a Ramkau/Ranka, Latvia 5.12.09 cancel and a Gross-Ronnen/Lielrenda, Latvia receiving cancel.

With a Dondagen/Dundaga, Latvia 10.12.09 cancel and a Talsen/Talsi, Latvia receiving cancel.